From his earliest memories to his final legacy, Wyneken’s life story can be told in connection with the catechism. It is a story of Lutheran catechesis on both sides of the Atlantic. It is a story of centuries of Lutheran catechesis practices in German lands. It is a story that highlights the impact of catechesis upon those who immigrated in the 19th century. Wyneken’s ministry unfolds details on the practice of teaching children and adults. His leadership highlighted the clear need to form individual character and congregational culture. He took part in the transition from state to synod catechisms and formed the place of the catechism in the Missouri Synod's mission and identity.